Gentoo's Bugzilla –
Attachment 690408 Details for
Bug 775179net-analyzer/snort-2.9.16-r100 rm: cannot remove '/var/tmp/portage/net-analyzer/snort-2.9.16-r100/image/usr/lib64/snort_dynamicengine/libsf_engine.la': No such file or directory when using slibtool